CN103431883B - Wicresoft's stitching knotter - Google Patents

Wicresoft's stitching knotter Download PDF

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Publication number
CN103431883B
CN103431883B CN201310372376.0A CN201310372376A CN103431883B CN 103431883 B CN103431883 B CN 103431883B CN 201310372376 A CN201310372376 A CN 201310372376A CN 103431883 B CN103431883 B CN 103431883B
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China
Prior art keywords
runner
needle
bracing wire
connecting rod
purl device
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CN201310372376.0A
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CN103431883A (en
Inventor
杨友东
吕伟民
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Hangzhou unique medical technology partnership (limited partnership)
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Hangzhou Huiquan Medicine Technology Co ltd
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Abstract

Wicresoft's stitching knotter, belongs to technical field of medical instruments.It is characterized in that needle stand being installed suture needle, runner A, runner B, runner reset bracing wire is connected with runner B with runner bracing wire, runner A, runner B are connected with connecting rod, connecting rod is connected with folder needle pliering, purl device is installed above suture needle, between purl device and needle stand, back-moving spring is set, the chain pin device bracing wire of purl device rear end; Needle stand is connected with casing by connecting rod, purl device driving wheel is connected with the bracing wire of purl device, pinion with revolve pin driving wheel and be fixedly connected with, revolve pin driving wheel to be connected with runner bracing wire, activation lever top contacts with purl device driving wheel and coordinates, be fixedly connected with fixed handle bottom activation lever, drive gear wheel to be fixedly connected with flexible handle, reset bracing wire, spring fixed axis of reset stay spring and runner is connected.Above-mentioned Wicresoft stitching knotter, for one-handed performance outside the pure mechanical, hand-driven chamber of doctor, can realize suture needle 360 ° rotation, completes the stitching and knotting of sewing up knotting code requirement.

Description

Wicresoft's stitching knotter
Technical field
The invention belongs to technical field of medical instruments, be specially Wicresoft's stitching knotter.
Background technology
Because in Minimally Invasive Surgery, operating theater instruments enters body cavity by miniature incision, the working place of Minimally Invasive Surgery is subject to significant limitation, and this weakens completing of some traditional surgery action to a certain extent.In a traditional surgical operation, surgical action can be decomposed into following three kinds: peel off, cutting and sew up knotting.Sewing up knotting is one wound processing method the most widely.In Minimally Invasive Surgery, although it brings many benefits to patient, for doctor's operation, there is following disadvantage: 1) limited view; 2) operation tool difficulty is handled; 3) mobility is poor; 4) tactile feedback is not had.These shortcomings add in Minimally Invasive Surgery the complexity and degree of difficulty carrying out sewing up knotting.In Minimally Invasive Surgery, sew up knotting mainly contains two kinds of methods at present, and one is the stitching knotting method adopting traditional operation, and new hand (doctor) must carry out two months or training for more time, and complexity is high, and difficulty is large, and operating time is long.Two is adopt robot assisted Wicresoft to sew up knotting, and the method for simulation staff knotting, complexity is still higher, have special requirement, and equipment is very expensive to operator, compares and is difficult to popularize.
Summary of the invention
For the above-mentioned problems in the prior art, the object of the invention is to design the technical scheme of Wicresoft's stitching knotter that a kind of pure machinery is provided, this wire twister can supply doctor's one-handed performance, to simplify complexity and the difficulty that knotting is sewed up by Wicresoft, operation wound can be down to comparatively low spot, improve the precision of operation, greatly alleviate the fatigue strength of doctor, promote the application of Minimally Invasive Surgery and popularize.
Described Wicresoft's stitching knotter, it is characterized in that comprising needle stand, needle stand front portion arranges needle tray, suture needle is arranged in needle tray, suture needle afterbody anchor suture, needle stand is arranged runner A, runner B, runner reset bracing wire and runner bracing wire and runner B are connected, runner A, runner B are connected with connecting rod link, connecting rod is connected with folder needle pliering by folder needle pliering bearing pin, and suture needle is clamped by connecting rod and folder needle pliering, installs purl device above suture needle, arrange back-moving spring between purl device and needle stand, purl device rear end connects the bracing wire of purl device, purl pin one end is arranged in the folder needle pliering guide groove of folder needle pliering, and the purl pin other end is arranged in the groove of purl device, needle stand rear end and connecting rod are connected, and arrange the passage of runner bracing wire, runner reset bracing wire, the bracing wire of purl device inside connecting rod, connecting rod rear end and casing are connected, the purl device driving wheel be rotatably assorted with it is installed in casing, revolve pin driving wheel, purl device driving wheel is connected with the bracing wire of purl device, pinion with revolve pin driving wheel and be fixedly connected with, drive gear wheel, activation lever is arranged in casing by rotating shaft, activation lever top contacts with purl device driving wheel and coordinates, gear wheel is driven to be fixedly connected with flexible handle, flexible handle arranges arc groove, be connected by spring holder B and arc groove bottom activation lever, reset stay spring one end is connected with runner reset bracing wire, the reset stay spring other end is connected with spring fixed axis.
Described Wicresoft's stitching knotter, it is characterized in that needle stand coordinates by connecting pin A is hinged with connecting rod, needle stand one end is spherical, and needle stand spherical part deflects around connecting pin A in connecting rod.
Described Wicresoft's stitching knotter, it is characterized in that inside connecting rod, arranging deflection pull bar, deflection pull bar front end coordinates by connecting pin C is hinged with needle stand, casing is arranged three lower dowel holes, casing is equipped with knob, on knob, correspondence arranges three upper dowel holes, knob, casing are by alignment pin A locking positioning, knob bottom is equipped with rotary support, and rotary support coordinates by connecting pin D is hinged with deflection back end of tie rod
Described Wicresoft's stitching knotter, is characterized in that described suture needle at least arranges suture needle groove in side, and connecting rod and folder needle pliering are clamped on the suture needle groove of suture needle.
Described Wicresoft's stitching knotter, is characterized in that the needle body radian of described suture needle is 220 degree of-270 degree.
Described Wicresoft's stitching knotter, is characterized in that described purl device is split-type structural, is made up of the purl device A be slidably matched, purl device B.
Described Wicresoft's stitching knotter, it is characterized in that runner reset bracing wire front and rear portions is arranged respectively and touch the little fabric wheel C coordinated, little fabric wheel A with its pressure, little fabric wheel C is arranged on needle stand, and little fabric wheel A is arranged on casing.
Described Wicresoft's stitching knotter, it is characterized in that runner bracing wire front and rear portions is arranged respectively and touch the little fabric wheel D coordinated, little fabric wheel B with its pressure, little fabric wheel D is arranged on needle stand, and little fabric wheel B is arranged on casing.
Above-mentioned Wicresoft stitching knotter, for one-handed performance outside the pure mechanical, hand-driven chamber of doctor, can realize suture needle 360 ° rotation, completes the stitching and knotting of sewing up knotting code requirement; Also can adopt the angle that man-operated mechanism drive head deflection is certain, conveniently sew up knotting operation, to simplify complexity and the difficulty that knotting is sewed up by Wicresoft, operation wound can be down to comparatively low spot, improve the precision of operation, greatly alleviate the fatigue strength of doctor, promote the application of Minimally Invasive Surgery and popularize.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is fragmentary top TV structure schematic diagram of the present invention;
Fig. 3 is the structural representation of purl device;
Fig. 4 is of the present invention fragmentary top TV structure schematic diagram of suture needle when revolving turnback;
Fig. 5 is the connecting portion structural representation of shaft and casing;
Fig. 6 is flexible handle and activation lever syndeton schematic diagram;
Fig. 7 is the structural representation of suture needle;
In figure: 1-suture needle, 1a-suture, 1b-suture needle groove, 2-connecting rod, 3-needle stand, 4-runner A, 5-runner B, 6-connecting pin A, 7-connecting rod, 8-deflects pull bar, 9-runner reset bracing wire, the bracing wire of 10-purl device, 11-rotary support, 12-alignment pin A, 13-knob, the little fabric wheel A of 14-, 15-casing, 16-reset stay spring, 17-spring fixed axis, 18-spring holder B, 19-fixed handle, 19a-arc groove, 19b-pin-and-hole, 20-activation lever, 21-flexible handle, 22-rotating shaft, 23-drives gear wheel, 24-pinion, 25-revolves pin driving wheel, 26-purl device driving wheel, the little fabric wheel B of 27-, 28-connecting pin B, 29-purl device, 29a-purl device A, 29b-purl device B, 30-back-moving spring, 31-presss from both sides needle pliering, 31a-presss from both sides needle pliering guide groove, 32-presss from both sides needle pliering bearing pin, the little fabric wheel C of 33-, 34-connecting pin C, the bracing wire of 35-runner, the little fabric wheel D of 36-, 37-purl pin, the upper dowel hole of 38-, 39-connecting pin D.
Detailed description of the invention
Below in conjunction with Figure of description, the invention will be further described.
As shown in the figure, this Wicresoft's stitching knotter comprises needle stand 3, needle stand 3 front portion arranges needle tray, suture needle 1 is arranged in needle tray, suture needle 1 afterbody anchor suture 1a, needle stand 3 is arranged runner A4, runner B5, runner reset bracing wire 9 and runner bracing wire 35 are connected with runner B5, runner A4, runner B5 and connecting rod 2 chain connection, connecting rod 2 is connected with folder needle pliering 31 by folder needle pliering bearing pin 32, suture needle 1 is clamped by connecting rod 2 and folder needle pliering 31, purl device 29 is installed above suture needle 1, back-moving spring 30 is set between purl device 29 and needle stand 3, purl device 29 rear end connects purl device bracing wire 10, purl pin 37 one end is arranged in the folder needle pliering guide groove 31a of folder needle pliering 31, and purl pin 37 other end is arranged in the groove of purl device 29, needle stand 3 rear end and connecting rod 7 are connected, and arrange the passage of runner bracing wire 35, runner reset bracing wire 9, purl device bracing wire 10 inside connecting rod 7, connecting rod 7 rear end and casing 15 are connected, the purl device driving wheel 26 be rotatably assorted with it is installed in casing 15, revolve pin driving wheel 25, purl device driving wheel 26 is connected with purl device bracing wire 10, pinion 24 with revolve pin driving wheel 25 and be fixedly connected with, drive gear wheel 23, activation lever 20 is arranged in casing 15 by rotating shaft 22, revolve pin driving wheel 25 to be connected with runner bracing wire 35, fixed handle 19, spring fixed axis 17 is fixedly mounted in casing 15, activation lever 20 top contacts with purl device driving wheel 26 and coordinates, be fixedly connected with fixed handle 19 by spring holder B18 bottom activation lever 20, gear wheel 23 is driven to be fixedly connected with flexible handle 21, activation lever 20 top contacts with purl device driving wheel 26 and coordinates, gear wheel 23 is driven to be fixedly connected with flexible handle 21, flexible handle 21 is arranged arc groove 19a, be connected by spring holder B18 and arc groove 19a bottom activation lever 20, activation lever 20 is fixedly connected with spring holder B18, and spring holder B18 can slide in arc groove 19a, reset stay spring 16 one end is connected with runner reset bracing wire 9, and reset stay spring 16 other end is connected with spring fixed axis 17.
Needle stand 3 coordinates by connecting pin A6 is hinged with connecting rod 7, and needle stand 3 one end is spherical, and needle stand 3 spherical part deflects around connecting pin A6 in connecting rod 7.Deflection pull bar 8 is set inside connecting rod 7, deflection pull bar 8 front end coordinates by connecting pin C34 is hinged with needle stand 3, casing 15 is arranged three lower dowel holes, casing 15 is equipped with knob 13, on knob 13, correspondence arranges three upper dowel holes 38, knob 13, casing 15 are by alignment pin A12 locking positioning, and knob 13 bottom is equipped with rotary support 11, and rotary support 11 coordinates by connecting pin D39 is hinged with deflection pull bar 8 rear end.Deflection pull bar 8 mainly realizes each 45 degree of positions and interposition around and rotates, extract alignment pin A12, turning knob 13, casing 15 there are three dowel holes can each turn 45 degree, left and right, rotary support 11 pulls deflection position bar 8 to move, described deflection pull bar 8 is hinged by connecting pin D39 with rotary support 11, and deflection position bar 8 pulls rotary support 11 to rotate 45 degree by required direction, easy to operate.Connecting rod 7 rear end and casing 15 are connected, and fix with connecting pin B28.
Described suture needle 1 at least side arranges suture needle groove 1b, and connecting rod 2 and folder needle pliering 31 are clamped on the suture needle groove 1b of suture needle 1.The needle body radian of suture needle 1 is 220 degree of-270 degree.Described purl device 29 is split-type structural, is made up of the purl device A29a be slidably matched, purl device B29b.Runner reset bracing wire 9 front and rear portions is arranged respectively touches the little fabric wheel C33 coordinated, little fabric wheel A14 with its pressure, and little fabric wheel C33 is arranged on needle stand 3, and little fabric wheel A14 is arranged on casing 15.Runner bracing wire 35 front and rear portions is arranged respectively touches the little fabric wheel D36 coordinated, little fabric wheel B27 with its pressure, and little fabric wheel D36 is arranged on needle stand 3, and little fabric wheel B27 is arranged on casing 15.Fixed handle 19 is arranged arc groove 19a, spring holder B18 and arc groove 19a is slidably matched.
During use, hands gripping handle, pressing flexible handle 21, flexible handle 21 is fixed with driving gear wheel 23,22 rotate to an angle around the shaft, gear wheel 23 is driven to engage with pinion 24, pinion 24 rotates to an angle, pinion 24 with revolve pin driving wheel 25 and be fixedly connected with, revolve pin driving wheel 25 and rotate identical angle with pinion 24, revolving pin driving wheel 25 drives runner bracing wire 35 to move, and runner bracing wire 35 is fixedly connected with runner B5 on runner B5, and runner bracing wire 35 is moved and driven runner B5 to revolve turnback, described runner B5, runner A4 and connecting rod 2 form parallelogram lindage, and runner A4 also revolves turnback together with runner B5, and connecting rod 2 and folder needle pliering 31 clamp suture needle 1 and revolve turnback, and suture needle 1 is along the guide groove movement of needle stand 3, when hands pressing flexible handle 21 is to certain angle, spring holder B18 in activation lever 20 arrives one end of arc groove 19a, activation lever 20 is pressed certain angle under the effect of spring holder B18, and fixed by the pin-and-hole 19b on spring holder B18 and fixed handle 19, when activation lever 20 is pressed certain angle, purl device driving wheel 26 is driven to rotate to an angle, purl device driving wheel 26 drives purl device bracing wire 10 to move very little distance, purl device bracing wire 10 pulls purl device 29 to move, under the effect of purl pin 37, folder needle pliering 31 rotates around folder needle pliering bearing pin 32, folder needle pliering 31 opens and can not clamp suture needle 1 again, suture needle 1 is locked jail in the guide groove of needle stand 3 by the circular arc of purl device 29 simultaneously, complete first element, turnback is revolved in suture needle 1, second course of action unclamps flexible handle 21, under the effect of reset stay spring 16, runner reset bracing wire 9 drives runner B5 to reset, reversely rotate 180 degree, when flexible handle 21 resets to certain angle, spring holder B18 in activation lever 20 is extracted by the inclined-plane on arc groove 19a, activation lever 20 is mobile under the effect of back-moving spring 30 to be resetted, purl device 29 moves reset, suture needle 1 can be freely movable in the guide groove of needle stand 3, folder needle pliering 31 again clamps suture needle 1, second action and completes, 3rd course of action presses flexible handle 21 again, and repeat first element process, suture needle 1 places 180 degree again, 4th course of action unclamps flexible handle 21 again, revolves needle device and the reset of purl device, by four course of action, complete the cycle that one revolves 360 degree, pin, be equivalent to realize one and sew up or knotting action.
Content described in this description embodiment is only enumerating the way of realization that the present invention conceives; should not being regarded as of protection scope of the present invention is only limitted to the concrete form that embodiment is stated, protection scope of the present invention also and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.

Claims (8)

1. Wicresoft's stitching knotter, it is characterized in that comprising needle stand (3), needle stand (3) front portion arranges needle tray, suture needle (1) is arranged in needle tray, suture needle (1) afterbody anchor suture (1a), (3) arrange runner A(4 with needle stand), runner B(5), runner reset bracing wire (9) and runner bracing wire (35) and runner B(5) be connected, runner A(4), runner B(5) and connecting rod (2) chain connection, connecting rod (2) is connected by folder needle pliering bearing pin (32) and folder needle pliering (31), suture needle (1) is clamped by connecting rod (2) and folder needle pliering (31), purl device (29) is installed in suture needle (1) top, back-moving spring (30) is set between purl device (29) and needle stand (3), purl device (29) rear end connects purl device bracing wire (10), purl pin (37) one end is arranged in the folder needle pliering guide groove (31a) of folder needle pliering (31), and purl pin (37) other end is arranged in the groove of purl device (29), needle stand (3) rear end and connecting rod (7) are connected, and connecting rod (7) inner side arranges the passage of runner bracing wire (35), runner reset bracing wire (9), purl device bracing wire (10), connecting rod (7) rear end and casing (15) are connected, the purl device driving wheel (26) be rotatably assorted with it is installed in casing (15), revolve pin driving wheel (25), purl device driving wheel (26) is connected with purl device bracing wire (10), pinion (24) with revolve pin driving wheel (25) and be fixedly connected with, drive gear wheel (23), activation lever (20) is arranged in casing (15) by rotating shaft (22), revolve pin driving wheel (25) to be connected with runner bracing wire (35), fixed handle (19), spring fixed axis (17) is fixedly mounted in casing (15), activation lever (20) top contacts with purl device driving wheel (26) and coordinates, gear wheel (23) is driven to be fixedly connected with flexible handle (21), flexible handle (21) is arranged arc groove (19a), activation lever (20) bottom is by spring holder B(18) be connected with arc groove (19a), reset stay spring (16) one end is connected with runner reset bracing wire (9), reset stay spring (16) other end is connected with spring fixed axis (17).
2. Wicresoft as claimed in claim 1 stitching knotter, it is characterized in that needle stand (3) and connecting rod (7) are by connecting pin A(6) hingedly to coordinate, needle stand (3) one end is spherical, needle stand (3) spherical part in connecting rod (7) around connecting pin A(6) deflection.
3. Wicresoft as claimed in claim 1 stitching knotter, it is characterized in that connecting rod (7) inner side arranges deflection pull bar (8), deflection pull bar (8) front end with needle stand (3) by connecting pin C(34) hingedly to coordinate, casing (15) is arranged three lower dowel holes, casing (15) is equipped with knob (13), the upper correspondence of knob (13) arranges three upper dowel holes (38), knob (13), casing (15) is by alignment pin A(12) locking positioning, knob (13) bottom is equipped with rotary support (11), rotary support (11) and deflection pull bar (8) rear end are by connecting pin D(39) hingedly to coordinate.
4. Wicresoft as claimed in claim 1 stitching knotter, is characterized in that described suture needle (1) at least arranges suture needle groove (1b) in side, and connecting rod (2) and folder needle pliering (31) are clamped on the suture needle groove (1b) of suture needle (1).
5. Wicresoft as claimed in claim 1 stitching knotter, is characterized in that the needle body radian of described suture needle (1) is 220 degree of-270 degree.
6. Wicresoft as claimed in claim 1 stitching knotter, is characterized in that described purl device (29) is split-type structural, the purl device A(29a by being slidably matched), purl device B(29b) form.
7. Wicresoft as claimed in claim 1 stitching knotter, it is characterized in that runner reset bracing wire (9) front and rear portions arranges the little fabric wheel C(33 touching with its pressure and coordinate respectively), little fabric wheel A(14), little fabric wheel C(33) be arranged on needle stand (3), little fabric wheel A(14) be arranged on casing (15).
8. Wicresoft as claimed in claim 1 stitching knotter, it is characterized in that runner bracing wire (35) front and rear portions arranges the little fabric wheel D(36 touching with its pressure and coordinate respectively), little fabric wheel B(27), little fabric wheel D(36) be arranged on needle stand (3), little fabric wheel B(27) be arranged on casing (15).
CN201310372376.0A 2013-08-24 2013-08-24 Wicresoft's stitching knotter Active CN103431883B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106667536A (en) * 2017-02-15 2017-05-17 王俊钢 Endoscope needle holder
CN107898483A (en) * 2017-12-20 2018-04-13 中南大学湘雅三医院 Endoscope-assistant surgery stitching devices
CN116983037B (en) * 2023-09-25 2023-12-26 中南大学 Bionic clamp type minimally invasive surgery stitching instrument

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CN203506780U (en) * 2013-08-24 2014-04-02 杭州慧泉医药科技有限公司 Minimally-invasive suture knotter

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US6258106B1 (en) * 1998-09-18 2001-07-10 Genzyme Corporation Surgical knot pusher and method of use
CN101242785A (en) * 2005-06-20 2008-08-13 苏图诺有限公司 Method and apparatus for applying a knot to a suture
DE102007026456A1 (en) * 2007-06-05 2008-12-11 Olympus Winter & Ibe Gmbh Endoscopic, surgical knot-tying instrument, has long shaft with eye having tapering side entry for surgical thread, with connecting bridge spaced back from distal end
CN102300507A (en) * 2008-11-25 2011-12-28 远藤发展有限责任公司 Apparatus And Method For Minimally Invasive Suturing
CN202096240U (en) * 2011-04-11 2012-01-04 申屠叶菲 Suture tying forceps
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Effective date of registration: 20191115

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Address before: Room 906, building B, building 196, Zhenhua Road, No. 310030, Zhenhua Road, Zhejiang, Hangzhou, Yuhua, Xihu District

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